
Added: October 19, 2009 | Time 00:54 | Views: 166
Will a Blue Tooth cause deafness? It's the noise level that the ear is exposed to over time that matters. For example, 85 db for 8 hours can cause hearing loss - & that's reduced by 1/2 hr for each 5 db increase. So, hearing loss is a function of how the hear is exposed to sound.
From Washington University in St. Louis
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